Finding the Fourth Proportional to 3,031,971.40, 4,184,055.30 and 1,655,248.06
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Solution
The fourth proportional to 3,031,971.40, 4,184,055.30 and 1,655,248.06 is: 2,284,206.72
Step by Step Solution
- Step 1: Write the proportion equation
3,031,971.40 : 4,184,055.30 = 1,655,248.06 : x - Step 2: Convert to fraction form
3,031,971.40/4,184,055.30 = 1,655,248.06/x - Step 3: Cross multiply
3,031,971.40x = 4,184,055.30 × 1,655,248.06 - Step 4: Simplify right side
3,031,971.40x = 6,925,649,429,694.97 - Step 5: Solve for x
x = 6,925,649,429,694.97/3,031,971.40 - Step 6: Final answer
x = 2,284,206.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.